Europe Steps Up Efforts to Limit
Foot-and-Mouth Outbreak to U.K.

Britain found itself increasingly isolated from the Continent on Thursday as European governments stepped up efforts to prevent the foot-and-mouth outbreak from jumping the English Channel.

Germany ordered the slaughter of all sheep and goats imported from the U.K., while channel-tunnel operator Eurotunnel said it would disinfect vehicles traveling from Britain as a precaution. French authorities prepared to slaughter nearly 50,000 sheep. In Portugal, officials said they would require passengers arriving from the U.K. to dip...